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| author | auth12 <[email protected]> | 2020-07-19 11:57:04 -0700 |
|---|---|---|
| committer | GitHub <[email protected]> | 2020-07-19 11:57:04 -0700 |
| commit | 1bae439a35a3aadca6772716aaeea8c8a0991114 (patch) | |
| tree | f8eab7a7bae237ad697feecfae26b17bab91b16e /client/asmjit/core/zonetree.cpp | |
| parent | More placeholders and general plan. (diff) | |
| parent | Merge branch 'master' into windows (diff) | |
| download | loader-1bae439a35a3aadca6772716aaeea8c8a0991114.tar.xz loader-1bae439a35a3aadca6772716aaeea8c8a0991114.zip | |
Merge pull request #1 from auth12/windows
Windows
Diffstat (limited to 'client/asmjit/core/zonetree.cpp')
| -rw-r--r-- | client/asmjit/core/zonetree.cpp | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/client/asmjit/core/zonetree.cpp b/client/asmjit/core/zonetree.cpp new file mode 100644 index 0000000..a16f092 --- /dev/null +++ b/client/asmjit/core/zonetree.cpp @@ -0,0 +1,118 @@ +// AsmJit - Machine code generation for C++ +// +// * Official AsmJit Home Page: https://asmjit.com +// * Official Github Repository: https://github.com/asmjit/asmjit +// +// Copyright (c) 2008-2020 The AsmJit Authors +// +// This software is provided 'as-is', without any express or implied +// warranty. In no event will the authors be held liable for any damages +// arising from the use of this software. +// +// Permission is granted to anyone to use this software for any purpose, +// including commercial applications, and to alter it and redistribute it +// freely, subject to the following restrictions: +// +// 1. The origin of this software must not be misrepresented; you must not +// claim that you wrote the original software. If you use this software +// in a product, an acknowledgment in the product documentation would be +// appreciated but is not required. +// 2. Altered source versions must be plainly marked as such, and must not be +// misrepresented as being the original software. +// 3. This notice may not be removed or altered from any source distribution. + +#include "../core/api-build_p.h" +#include "../core/support.h" +#include "../core/zone.h" +#include "../core/zonetree.h" + +ASMJIT_BEGIN_NAMESPACE + +// ============================================================================ +// [asmjit::ZoneTree - Unit] +// ============================================================================ + +#if defined(ASMJIT_TEST) +template<typename NodeT> +struct ZoneRBUnit { + typedef ZoneTree<NodeT> Tree; + + static void verifyTree(Tree& tree) noexcept { + EXPECT(checkHeight(static_cast<NodeT*>(tree._root)) > 0); + } + + // Check whether the Red-Black tree is valid. + static int checkHeight(NodeT* node) noexcept { + if (!node) return 1; + + NodeT* ln = node->left(); + NodeT* rn = node->right(); + + // Invalid tree. + EXPECT(ln == nullptr || *ln < *node); + EXPECT(rn == nullptr || *rn > *node); + + // Red violation. + EXPECT(!node->isRed() || + (!ZoneTreeNode::_isValidRed(ln) && !ZoneTreeNode::_isValidRed(rn))); + + // Black violation. + int lh = checkHeight(ln); + int rh = checkHeight(rn); + EXPECT(!lh || !rh || lh == rh); + + // Only count black links. + return (lh && rh) ? lh + !node->isRed() : 0; + } +}; + +class MyRBNode : public ZoneTreeNodeT<MyRBNode> { +public: + ASMJIT_NONCOPYABLE(MyRBNode) + + inline explicit MyRBNode(uint32_t key) noexcept + : _key(key) {} + + inline bool operator<(const MyRBNode& other) const noexcept { return _key < other._key; } + inline bool operator>(const MyRBNode& other) const noexcept { return _key > other._key; } + + inline bool operator<(uint32_t queryKey) const noexcept { return _key < queryKey; } + inline bool operator>(uint32_t queryKey) const noexcept { return _key > queryKey; } + + uint32_t _key; +}; + +UNIT(zone_rbtree) { + uint32_t kCount = BrokenAPI::hasArg("--quick") ? 1000 : 10000; + + Zone zone(4096); + ZoneTree<MyRBNode> rbTree; + + uint32_t key; + INFO("Inserting %u elements to RBTree and validating each operation", unsigned(kCount)); + for (key = 0; key < kCount; key++) { + rbTree.insert(zone.newT<MyRBNode>(key)); + ZoneRBUnit<MyRBNode>::verifyTree(rbTree); + } + + uint32_t count = kCount; + INFO("Removing %u elements from RBTree and validating each operation", unsigned(kCount)); + do { + MyRBNode* node; + + for (key = 0; key < count; key++) { + node = rbTree.get(key); + EXPECT(node != nullptr); + EXPECT(node->_key == key); + } + + node = rbTree.get(--count); + rbTree.remove(node); + ZoneRBUnit<MyRBNode>::verifyTree(rbTree); + } while (count); + + EXPECT(rbTree.empty()); +} +#endif + +ASMJIT_END_NAMESPACE |